心电信号压缩评价指标的研究

Study of Performance Evaluation of Electrocardiogram Compression

通过对 5 0 0例心电信号压缩前后诊断结果的比较 ,研究心电数据压缩评价指标 ,用统计方法得出均方根百分误差与诊断符合率的关系是近似线性关系 .实验论证了用数字指标评价心电信号压缩性能的可行性 ,并得出各数字指标与诊断符合率具有相似曲线的结论 .

This paper compared the diagnostic results of uncompressed data with those of compressed data through electrocardiograms (ECGs) of 500 cases and discussed the performance evaluation of ECG compression, and an approximate linear relationship between the diagnostic agreement ratio and percent root-mean-square difference (PRD) indexes was obtained by using statistics method. The results indicate that the performance of ECG compression can be evaluated by numerical indexes directly. At the same time, the same linear relationship between the diagnostic agreement ratio and other numerical indexes was obtained, which can simplify the methods in evaluating the performance of ECG compression.